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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:126AO4of4 GHM

Order: 18

Horizontal side: 126 Vertical side: 126

Elements: 2√2, 4, 4√2, 8, 6√2, 12, 23, 17√2, 20√2, 23√2, 34, 26√2, 40, 43, 43√2, 63, 83, 63√2.

Code: 835 0 43 634 63 63 633 126 63 204 83 43 123 103 51 232 126 40 231 126 63 83 91 43 42 95 47 64 97 45 343 103 17 43 95 43 22 97 45 437 0 43 430 43 43 264 69 17 403 126 0 174 86 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

83
63√2
63
20√2
12
23√2
23
8
4√2
6√2
34
4
2√2
43
43√2
26√2
40
17√2